Home / 826,974,443.52-1,141,279,960.32-455,696,417.28

Finding the Fourth Proportional to 826,974,443.52, 1,141,279,960.32 and 455,696,417.28

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Solution

The fourth proportional to 826,974,443.52, 1,141,279,960.32 and 455,696,417.28 is: 628,891,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,974,443.52 : 1,141,279,960.32 = 455,696,417.28 : x
  2. Step 2: Convert to fraction form
    826,974,443.52/1,141,279,960.32 = 455,696,417.28/x
  3. Step 3: Cross multiply
    826,974,443.52x = 1,141,279,960.32 × 455,696,417.28
  4. Step 4: Simplify right side
    826,974,443.52x = 520,077,189,031,284,480
  5. Step 5: Solve for x
    x = 520,077,189,031,284,480/826,974,443.52
  6. Step 6: Final answer
    x = 628,891,488.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.